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Crimson
@crimson
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1076 kWhs
Joined: Jan 16, 2024
Last seen: Dec 9, 2024
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Topics: 4 / Replies: 210
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Living room 1: 1063W requirement 2x Stelrads at 1784W have 0.301 correction factor at D20 = 1063/0.301 = 3531 covered by 3568 from rads 2x...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

thanks, currently 29c TRV side, 28.5C lock shield side. ASHP off, showing 34C Just before heating zone (5C Drop to that rad it seems)

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Ahh no sorry I probably wasn't clear. Zone setup and rads below - rad with probes now attached in bold (width x height in mm). Apologies if too...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks @toodles , I've put 2 probes either side of a rad in the coldest downstairs room. Will give it time and report back. Unfortunately the ASHP i...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Can ignore that, I must have gone down to check at wrong time. It's 38C which is about right now, return is 36C, so it's close already. No doubt wil...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Something I'll try to monitor is when the ASHP runs, the temp it's actually running at.I just checked now and it's on. It's 10C outside, and it's ru...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

I believe this is in reference to what they originally designed which was as an example: A Stelrad Concord Lo-line 296x1600 v A Eskimo 200x1694 ...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks Toodles, this is the ongoing back and forth unfortunately with the builder, plumber and now heat specialist. According to the builder the heat...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Hi both, the rads heat when the ASHP runs, I don't believe there's any issue there, this was something the heat specialist checked (bled, check TRVs o...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Well I'm now currently stuck in a who's liable for installing the buffer tank for this install / myself querying is this 100% going to rectify the iss...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Not posted for a little while as been busy with other things. I've kept the system on Grant's default WC settings. It's been mostly quite mild so h...

1 year ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

I believe it’s all been balanced. Chap said they’re all filling up well once got air out system. Other half has moaned it’s now too warm so dropping...

1 year ago
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Air Source Heat Pumps (ASHPs)
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